Table 4 Immunohistochemical study of Rhabdomyosarcomatous tumors and small cell carcinoma
Cases | Number of cases | Myogenin | Cytokeratin | Synaptophysin | Chromogranin | FISH in RMS |
|---|---|---|---|---|---|---|
RMS* | 1 | Positive | Negative | Positive | Negative | negative |
RMS in ca^ | 2 | Positive in RMS | Negative in RMS; positive in ca | Positive in RMS in 1 out of 2 cases | Negative | negative |
Small cell carcinoma | 13 | Negative | Positive (9/9) | Positive(9/9) | Positive in 7/9 | N/A |